Debate over the immigration overhaul has found its way to the vast open spaces of Wyoming. Here, Peruvian guest workers on H2-A visas tend thousands of sheep. These shepherds make just $750 a month to be on the job around-the-clock, usually alone for months on end. That's around half of what other agricultural guestworkers make because sheep ranchers receive a special exemption from minimum wage requirements. Ranchers say it’s needed in order to save this small, struggling American industry.